Question

The net force on a current loop in a uniform magnetic field is zero. But what if B?  is not uniform? The figure (Figure 1) shows a square loop of wire that lies in the xy-plane. The loop has corners at (0,0),(0,L),(L,0), and (L,L) and carries a constant current I in the clockwise direction. The magnetic field has no x-component but has both y- and z-components: B? =(B0z/L)j^+(B0y/L)k^, where B0 is a positive constant.

Part G

Find the magnitude of the force on side 4, that runs from (L,0) to (0,0).

Express your answer in terms of the variables B0, L, and I.

F4 =

IB0IB0

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The correct answer does not depend on: IB0.

Part H

Find the direction of the force on side 1, that runs from (L,0) to (0,0).

Find the direction of the force on side 1, that runs from  to .

+x-direction

?x-direction

+y-direction

?y-direction

+z-direction

?z-direction

0

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Part I

Find the magnitude of the net magnetic force on the loop.

Express your answer in terms of the variables B0, L, and I.

F =

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Part J

Find the direction of the net magnetic force on the loop.

Find the direction of the net magnetic force on the loop.

+x-direction

?x-direction

+y-direction

?y-direction

+z-direction

?z-direction

0

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Answer 1